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Nov
25
revised An example of a continuous function on $\mathbb R^2$ with two critical points, both of them minima
added 4 characters in body
Nov
25
revised An example of a continuous function on $\mathbb R^2$ with two critical points, both of them minima
added 852 characters in body
Nov
21
revised Can the $9$ point circle be generalized to $n$-gons of $n\gt3$?
edited tags
Nov
21
revised Use of Delaunay Triangulation and Voronoi Diagram to find alpha shape using Edelsbrunner's algorithm
deleted 164 characters in body
Nov
20
revised Are there functions that satisfy $f(km)\bmod m=f(m)$ that are not of the form $m\mapsto n\bmod m$?
fixed range of f, renamed q to more obviously-natural-number m
Nov
20
revised You can't solve Laplace's equation with boundary conditions on isolated points. But why?
added 553 characters in body
Nov
17
revised Are there functions that satisfy $f(km)\bmod m=f(m)$ that are not of the form $m\mapsto n\bmod m$?
deleted 1 character in body
Nov
17
revised A Characterization of the Tangent Function?
added 53 characters in body
Nov
15
revised A Characterization of the Tangent Function?
added 251 characters in body
Nov
12
revised Sorting a list of points in 2-D clockwise
deleted 1 character in body
Nov
6
revised How to read mathematical formulas?
"impossible to *read* mathematics" and other edits
Nov
4
revised Optimal Resolvable Steiner Quintuple System covering with circles and ellipses
changed verbatim TeX to rendered TeX
Nov
1
revised Could negative integer factorials be defined in some way?
added 2 characters in body
Oct
31
revised Does this notion of the “directed area” of a closed curve in $\mathbb R^3$ have a standard name?
added 112 characters in body
Oct
21
revised Geometric interpretation of mixed partial derivatives?
added 9 characters in body
Oct
11
revised How to properly use technology for back-of-the-envelope calculations?
edited tags
Oct
8
revised Calculating the expected winner of a Penney's Game using a Markov Chain.
rolled back to a previous revision
Oct
8
revised How can a finite graph be viewed as a discrete analogue of a Riemann surface?
asterisks for emphasis
Oct
6
revised Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?
made title more descriptive for easier finding of duplicates
Oct
2
revised Is every natural number even or odd?
Czech name in text mode